Let's roll up our sleeves and solve this. We have 487 and we're going to multiply it by 350, essentially adding 487 to itself 350 times.
Step 1: 0 + 487 = 487
Step 2: 487 + 487 = 974
Step 3: 974 + 487 = 1461
Step 4: 1461 + 487 = 1948
Step 5: 1948 + 487 = 2435
Step 6: 2435 + 487 = 2922
Step 7: 2922 + 487 = 3409
Step 8: 3409 + 487 = 3896
Step 9: 3896 + 487 = 4383
Step 10: 4383 + 487 = 4870
Step 11: 4870 + 487 = 5357
Step 12: 5357 + 487 = 5844
Step 13: 5844 + 487 = 6331
Step 14: 6331 + 487 = 6818
Step 15: 6818 + 487 = 7305
Step 16: 7305 + 487 = 7792
Step 17: 7792 + 487 = 8279
Step 18: 8279 + 487 = 8766
Step 19: 8766 + 487 = 9253
Step 20: 9253 + 487 = 9740
Step 21: 9740 + 487 = 10227
Step 22: 10227 + 487 = 10714
Step 23: 10714 + 487 = 11201
Step 24: 11201 + 487 = 11688
Step 25: 11688 + 487 = 12175
Step 26: 12175 + 487 = 12662
Step 27: 12662 + 487 = 13149
Step 28: 13149 + 487 = 13636
Step 29: 13636 + 487 = 14123
Step 30: 14123 + 487 = 14610
Step 31: 14610 + 487 = 15097
Step 32: 15097 + 487 = 15584
Step 33: 15584 + 487 = 16071
Step 34: 16071 + 487 = 16558
Step 35: 16558 + 487 = 17045
Step 36: 17045 + 487 = 17532
Step 37: 17532 + 487 = 18019
Step 38: 18019 + 487 = 18506
Step 39: 18506 + 487 = 18993
Step 40: 18993 + 487 = 19480
Step 41: 19480 + 487 = 19967
Step 42: 19967 + 487 = 20454
Step 43: 20454 + 487 = 20941
Step 44: 20941 + 487 = 21428
Step 45: 21428 + 487 = 21915
Step 46: 21915 + 487 = 22402
Step 47: 22402 + 487 = 22889
Step 48: 22889 + 487 = 23376
Step 49: 23376 + 487 = 23863
Step 50: 23863 + 487 = 24350
Step 51: 24350 + 487 = 24837
Step 52: 24837 + 487 = 25324
Step 53: 25324 + 487 = 25811
Step 54: 25811 + 487 = 26298
Step 55: 26298 + 487 = 26785
Step 56: 26785 + 487 = 27272
Step 57: 27272 + 487 = 27759
Step 58: 27759 + 487 = 28246
Step 59: 28246 + 487 = 28733
Step 60: 28733 + 487 = 29220
Step 61: 29220 + 487 = 29707
Step 62: 29707 + 487 = 30194
Step 63: 30194 + 487 = 30681
Step 64: 30681 + 487 = 31168
Step 65: 31168 + 487 = 31655
Step 66: 31655 + 487 = 32142
Step 67: 32142 + 487 = 32629
Step 68: 32629 + 487 = 33116
Step 69: 33116 + 487 = 33603
Step 70: 33603 + 487 = 34090
Step 71: 34090 + 487 = 34577
Step 72: 34577 + 487 = 35064
Step 73: 35064 + 487 = 35551
Step 74: 35551 + 487 = 36038
Step 75: 36038 + 487 = 36525
Step 76: 36525 + 487 = 37012
Step 77: 37012 + 487 = 37499
Step 78: 37499 + 487 = 37986
Step 79: 37986 + 487 = 38473
Step 80: 38473 + 487 = 38960
Step 81: 38960 + 487 = 39447
Step 82: 39447 + 487 = 39934
Step 83: 39934 + 487 = 40421
Step 84: 40421 + 487 = 40908
Step 85: 40908 + 487 = 41395
Step 86: 41395 + 487 = 41882
Step 87: 41882 + 487 = 42369
Step 88: 42369 + 487 = 42856
Step 89: 42856 + 487 = 43343
Step 90: 43343 + 487 = 43830
Step 91: 43830 + 487 = 44317
Step 92: 44317 + 487 = 44804
Step 93: 44804 + 487 = 45291
Step 94: 45291 + 487 = 45778
Step 95: 45778 + 487 = 46265
Step 96: 46265 + 487 = 46752
Step 97: 46752 + 487 = 47239
Step 98: 47239 + 487 = 47726
Step 99: 47726 + 487 = 48213
Step 100: 48213 + 487 = 48700
Step 101: 48700 + 487 = 49187
Step 102: 49187 + 487 = 49674
Step 103: 49674 + 487 = 50161
Step 104: 50161 + 487 = 50648
Step 105: 50648 + 487 = 51135
Step 106: 51135 + 487 = 51622
Step 107: 51622 + 487 = 52109
Step 108: 52109 + 487 = 52596
Step 109: 52596 + 487 = 53083
Step 110: 53083 + 487 = 53570
Step 111: 53570 + 487 = 54057
Step 112: 54057 + 487 = 54544
Step 113: 54544 + 487 = 55031
Step 114: 55031 + 487 = 55518
Step 115: 55518 + 487 = 56005
Step 116: 56005 + 487 = 56492
Step 117: 56492 + 487 = 56979
Step 118: 56979 + 487 = 57466
Step 119: 57466 + 487 = 57953
Step 120: 57953 + 487 = 58440
Step 121: 58440 + 487 = 58927
Step 122: 58927 + 487 = 59414
Step 123: 59414 + 487 = 59901
Step 124: 59901 + 487 = 60388
Step 125: 60388 + 487 = 60875
Step 126: 60875 + 487 = 61362
Step 127: 61362 + 487 = 61849
Step 128: 61849 + 487 = 62336
Step 129: 62336 + 487 = 62823
Step 130: 62823 + 487 = 63310
Step 131: 63310 + 487 = 63797
Step 132: 63797 + 487 = 64284
Step 133: 64284 + 487 = 64771
Step 134: 64771 + 487 = 65258
Step 135: 65258 + 487 = 65745
Step 136: 65745 + 487 = 66232
Step 137: 66232 + 487 = 66719
Step 138: 66719 + 487 = 67206
Step 139: 67206 + 487 = 67693
Step 140: 67693 + 487 = 68180
Step 141: 68180 + 487 = 68667
Step 142: 68667 + 487 = 69154
Step 143: 69154 + 487 = 69641
Step 144: 69641 + 487 = 70128
Step 145: 70128 + 487 = 70615
Step 146: 70615 + 487 = 71102
Step 147: 71102 + 487 = 71589
Step 148: 71589 + 487 = 72076
Step 149: 72076 + 487 = 72563
Step 150: 72563 + 487 = 73050
Step 151: 73050 + 487 = 73537
Step 152: 73537 + 487 = 74024
Step 153: 74024 + 487 = 74511
Step 154: 74511 + 487 = 74998
Step 155: 74998 + 487 = 75485
Step 156: 75485 + 487 = 75972
Step 157: 75972 + 487 = 76459
Step 158: 76459 + 487 = 76946
Step 159: 76946 + 487 = 77433
Step 160: 77433 + 487 = 77920
Step 161: 77920 + 487 = 78407
Step 162: 78407 + 487 = 78894
Step 163: 78894 + 487 = 79381
Step 164: 79381 + 487 = 79868
Step 165: 79868 + 487 = 80355
Step 166: 80355 + 487 = 80842
Step 167: 80842 + 487 = 81329
Step 168: 81329 + 487 = 81816
Step 169: 81816 + 487 = 82303
Step 170: 82303 + 487 = 82790
Step 171: 82790 + 487 = 83277
Step 172: 83277 + 487 = 83764
Step 173: 83764 + 487 = 84251
Step 174: 84251 + 487 = 84738
Step 175: 84738 + 487 = 85225
Step 176: 85225 + 487 = 85712
Step 177: 85712 + 487 = 86199
Step 178: 86199 + 487 = 86686
Step 179: 86686 + 487 = 87173
Step 180: 87173 + 487 = 87660
Step 181: 87660 + 487 = 88147
Step 182: 88147 + 487 = 88634
Step 183: 88634 + 487 = 89121
Step 184: 89121 + 487 = 89608
Step 185: 89608 + 487 = 90095
Step 186: 90095 + 487 = 90582
Step 187: 90582 + 487 = 91069
Step 188: 91069 + 487 = 91556
Step 189: 91556 + 487 = 92043
Step 190: 92043 + 487 = 92530
Step 191: 92530 + 487 = 93017
Step 192: 93017 + 487 = 93504
Step 193: 93504 + 487 = 93991
Step 194: 93991 + 487 = 94478
Step 195: 94478 + 487 = 94965
Step 196: 94965 + 487 = 95452
Step 197: 95452 + 487 = 95939
Step 198: 95939 + 487 = 96426
Step 199: 96426 + 487 = 96913
Step 200: 96913 + 487 = 97400
Step 201: 97400 + 487 = 97887
Step 202: 97887 + 487 = 98374
Step 203: 98374 + 487 = 98861
Step 204: 98861 + 487 = 99348
Step 205: 99348 + 487 = 99835
Step 206: 99835 + 487 = 100322
Step 207: 100322 + 487 = 100809
Step 208: 100809 + 487 = 101296
Step 209: 101296 + 487 = 101783
Step 210: 101783 + 487 = 102270
Step 211: 102270 + 487 = 102757
Step 212: 102757 + 487 = 103244
Step 213: 103244 + 487 = 103731
Step 214: 103731 + 487 = 104218
Step 215: 104218 + 487 = 104705
Step 216: 104705 + 487 = 105192
Step 217: 105192 + 487 = 105679
Step 218: 105679 + 487 = 106166
Step 219: 106166 + 487 = 106653
Step 220: 106653 + 487 = 107140
Step 221: 107140 + 487 = 107627
Step 222: 107627 + 487 = 108114
Step 223: 108114 + 487 = 108601
Step 224: 108601 + 487 = 109088
Step 225: 109088 + 487 = 109575
Step 226: 109575 + 487 = 110062
Step 227: 110062 + 487 = 110549
Step 228: 110549 + 487 = 111036
Step 229: 111036 + 487 = 111523
Step 230: 111523 + 487 = 112010
Step 231: 112010 + 487 = 112497
Step 232: 112497 + 487 = 112984
Step 233: 112984 + 487 = 113471
Step 234: 113471 + 487 = 113958
Step 235: 113958 + 487 = 114445
Step 236: 114445 + 487 = 114932
Step 237: 114932 + 487 = 115419
Step 238: 115419 + 487 = 115906
Step 239: 115906 + 487 = 116393
Step 240: 116393 + 487 = 116880
Step 241: 116880 + 487 = 117367
Step 242: 117367 + 487 = 117854
Step 243: 117854 + 487 = 118341
Step 244: 118341 + 487 = 118828
Step 245: 118828 + 487 = 119315
Step 246: 119315 + 487 = 119802
Step 247: 119802 + 487 = 120289
Step 248: 120289 + 487 = 120776
Step 249: 120776 + 487 = 121263
Step 250: 121263 + 487 = 121750
Step 251: 121750 + 487 = 122237
Step 252: 122237 + 487 = 122724
Step 253: 122724 + 487 = 123211
Step 254: 123211 + 487 = 123698
Step 255: 123698 + 487 = 124185
Step 256: 124185 + 487 = 124672
Step 257: 124672 + 487 = 125159
Step 258: 125159 + 487 = 125646
Step 259: 125646 + 487 = 126133
Step 260: 126133 + 487 = 126620
Step 261: 126620 + 487 = 127107
Step 262: 127107 + 487 = 127594
Step 263: 127594 + 487 = 128081
Step 264: 128081 + 487 = 128568
Step 265: 128568 + 487 = 129055
Step 266: 129055 + 487 = 129542
Step 267: 129542 + 487 = 130029
Step 268: 130029 + 487 = 130516
Step 269: 130516 + 487 = 131003
Step 270: 131003 + 487 = 131490
Step 271: 131490 + 487 = 131977
Step 272: 131977 + 487 = 132464
Step 273: 132464 + 487 = 132951
Step 274: 132951 + 487 = 133438
Step 275: 133438 + 487 = 133925
Step 276: 133925 + 487 = 134412
Step 277: 134412 + 487 = 134899
Step 278: 134899 + 487 = 135386
Step 279: 135386 + 487 = 135873
Step 280: 135873 + 487 = 136360
Step 281: 136360 + 487 = 136847
Step 282: 136847 + 487 = 137334
Step 283: 137334 + 487 = 137821
Step 284: 137821 + 487 = 138308
Step 285: 138308 + 487 = 138795
Step 286: 138795 + 487 = 139282
Step 287: 139282 + 487 = 139769
Step 288: 139769 + 487 = 140256
Step 289: 140256 + 487 = 140743
Step 290: 140743 + 487 = 141230
Step 291: 141230 + 487 = 141717
Step 292: 141717 + 487 = 142204
Step 293: 142204 + 487 = 142691
Step 294: 142691 + 487 = 143178
Step 295: 143178 + 487 = 143665
Step 296: 143665 + 487 = 144152
Step 297: 144152 + 487 = 144639
Step 298: 144639 + 487 = 145126
Step 299: 145126 + 487 = 145613
Step 300: 145613 + 487 = 146100
Step 301: 146100 + 487 = 146587
Step 302: 146587 + 487 = 147074
Step 303: 147074 + 487 = 147561
Step 304: 147561 + 487 = 148048
Step 305: 148048 + 487 = 148535
Step 306: 148535 + 487 = 149022
Step 307: 149022 + 487 = 149509
Step 308: 149509 + 487 = 149996
Step 309: 149996 + 487 = 150483
Step 310: 150483 + 487 = 150970
Step 311: 150970 + 487 = 151457
Step 312: 151457 + 487 = 151944
Step 313: 151944 + 487 = 152431
Step 314: 152431 + 487 = 152918
Step 315: 152918 + 487 = 153405
Step 316: 153405 + 487 = 153892
Step 317: 153892 + 487 = 154379
Step 318: 154379 + 487 = 154866
Step 319: 154866 + 487 = 155353
Step 320: 155353 + 487 = 155840
Step 321: 155840 + 487 = 156327
Step 322: 156327 + 487 = 156814
Step 323: 156814 + 487 = 157301
Step 324: 157301 + 487 = 157788
Step 325: 157788 + 487 = 158275
Step 326: 158275 + 487 = 158762
Step 327: 158762 + 487 = 159249
Step 328: 159249 + 487 = 159736
Step 329: 159736 + 487 = 160223
Step 330: 160223 + 487 = 160710
Step 331: 160710 + 487 = 161197
Step 332: 161197 + 487 = 161684
Step 333: 161684 + 487 = 162171
Step 334: 162171 + 487 = 162658
Step 335: 162658 + 487 = 163145
Step 336: 163145 + 487 = 163632
Step 337: 163632 + 487 = 164119
Step 338: 164119 + 487 = 164606
Step 339: 164606 + 487 = 165093
Step 340: 165093 + 487 = 165580
Step 341: 165580 + 487 = 166067
Step 342: 166067 + 487 = 166554
Step 343: 166554 + 487 = 167041
Step 344: 167041 + 487 = 167528
Step 345: 167528 + 487 = 168015
Step 346: 168015 + 487 = 168502
Step 347: 168502 + 487 = 168989
Step 348: 168989 + 487 = 169476
Step 349: 169476 + 487 = 169963
Step 350: 169963 + 487 = 170450

So, 487*350 = 170450